Restructuring and Related Activities [Abstract] RESTRUCTURING CHARGES Restructuring and Related Activities Disclosure [Text Block] Payables and Accruals [Abstract] Accrued Expense [Abstract] Accrued Expense [Abstract] Accrued Expenses. Accrued compensation and benefits Employee-related Liabilities, Current Sales and marketing allowances Sales and marketing allowances Sales and marketing allowances. Accrued corporate marketing Accrued Marketing Costs, Current Taxes payable Sales and Excise Tax Payable, Current Royalties payble Accrued Royalties, Current Accrued interest expense Interest Payable, Current Other Other Accrued Liabilities, Current Accrued expenses Accrued Liabilities, Current Derivative Instruments and Hedging Activities Disclosure [Abstract] DERIVATIVES AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name Award Type [Domain] Stock Options [Member] Stock Options [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock Option Activity [Rollforward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Beginning outstanding balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Cancelled, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Increase due to acquisition, Shares Due To Acquisition The quantity of shares issuable on stock options or awards brought over as a result of an acquisition. Ending outstanding balance Commitments and Contingencies Disclosure [Abstract] Property Subject to or Available for Operating Lease, by Major Property Class [Table] Property Subject to or Available for Operating Lease, by Major Property Class [Table] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Domain] Property Subject to or Available for Operating Lease [Domain] East and West Towers [Member] East and West Towers [Member] East and West Towers [Member] Almaden Tower [Member] Almaden Tower [Member] Almaden Tower. East and West Towers and Almaden Tower [Domain] East and West Towers and Almaden Tower [Domain] East and West Towers and Almaden Tower [Domain] Property Subject to or Available for Operating Lease [Line Items] Property Subject to or Available for Operating Lease [Line Items] Number of Corporate Headquarter Office Buildings Number of Corporate Headquarter Office Buildings Number of corporate headquarter office buildings. Lease Renewal Extension Period Lease Renewal Extension Period Lease Renewal Extension Period. Lease Renewal Option to Extend Period Lease Renewal Option to Extend Period Lease Renewal Option to Extend Period. Standby letter of credit Standby Letter of Credit Standby letter of credit to secure a lower interest rate and reduce the number of covenants. Lease Receivable Purchased Investment in lease receivable Investment in lease receivable. Option to Purchase Buildings Option to purchase buildings Option to purchase the buildings. Residual Value Guarantees Residual Value Guarantees Residual Value Guarantees. Sale-leaseback agreement classified as a capital lease Capital Lease Obligations Sale-leaseback agreement period Sale Leaseback Agreement, Leaseback Period Sale Leaseback Agreement, Leaseback Period. Residual Value Guarantees, recorded Guarantor Obligations, Current Carrying Value Loss Contingency, Number of Parties Jointly and Severally Liable in Litigation Loss Contingency, Number of Parties Jointly and Severally Liable in Litigation Loss Contingency, Number of Parties Jointly and Severally Liable in Litigation Summary of Restructuring Plans Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Cash, Cash Equivalents, and Short Term Investments Disclosure [Abstract] Cash, Cash Equivalents, and Short Term Investments Disclosure [Abstract] Amortized cost and Estimated Fair Value of Short-term fixed Income Securities [Abstract] Available-for-sale Securities, Debt Maturities [Abstract] Due within one year, Amortized Cost Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Due between one and two years, Amortized Cost Due With in Two Years Amortized Cost Due With in Two Years Amortized Cost. Due between two and three years, Amortized Cost Due With in Three Years Amortized Cost Due With in Three Years Amortized Cost. Due after three years, Amortized Cost Due After Three Years Amortized Cost Due After Three Years Amortized Cost. Total, Amortized Cost Available-for-sale Securities, Debt Maturities, Amortized Cost Basis Due within one year, Estimated Fair value Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Due between one and two years, Estimated Fair value Due within two years, Estimated Fair value Due within two years Estimated Fair value. Due between two and three years, Estimated Fair value Due within three years Estimated Fair value Due within three years Estimated Fair value Due after three years, Estimated Fair value Due after three years, Estimated Fair value Due after three years Estimated Fair value. Total, Estimated Fair value Available-for-sale Securities, Debt Securities STOCK-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Equity [Abstract] Comprehensive Income (Loss) [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Net income Net Income (Loss) Attributable to Parent Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Available-for-sale securities: Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax [Abstract] Unrealized gains / losses on available-for-sale securities Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Reclassification adjustment for gains on available-for-sale securities recognized during the period Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax Subtotal available-for-sale securities Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Derivatives designated as hedging instruments: Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax [Abstract] Unrealized gains on derivative instruments Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Reclassification adjustment for gains on derivative instruments recognized during the period Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax Subtotal derivatives designated as hedging instruments Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Total comprehensive income, net of taxes Comprehensive Income (Loss), Net of Tax, Attributable to Parent Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Business Segments [Axis] Business Segments [Axis] Segment [Domain] Segment [Domain] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Goodwill Goodwill Amortization of purchased and other intangible assets Amortization of Intangible Assets Amortization expense included in cost of sales Cost of Goods Sold, Amortization Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Asset Acquisition [Axis] Asset Acquisition [Axis] Asset Acquisition [Axis] Asset Acquisition, Acquiree [Domain] Asset Acquisition, Acquiree [Domain] Asset Acquisition, Acquiree [Domain] Series of Individually Immaterial Asset Acquisitions [Member] Series of Individually Immaterial Asset Acquisitions [Member] Series of Individually Immaterial Asset Acquisitions [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Series of Individually Immaterial Business Acquisitions [Member] Series of Individually Immaterial Business Acquisitions [Member] Efficient Frontier [Member] Efficient Frontier [Member] Efficient Frontier [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Acquisition cost Business Acquisition, Cost of Acquired Entity, Purchase Price Goodwill Business Acquisition, Purchase Price Allocation, Goodwill Amount Purchase price allocated to identifiable intangible assets Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Purchase price allocated to net tangible assets (liabilities) Business Acquisition, Purchase Price Allocation, Net Tangible Assets Number of asset acquisitions acquired Number of asset acquisitions acquired Number of asset acquisitions acquired Number of businesses acquired Number of Businesses Acquired Other Income and Expenses [Abstract] NON-OPERATING INCOME (EXPENSE) Other Income and Other Expense Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Eligible Item or Group for Fair Value Option [Axis] Eligible Item or Group for Fair Value Option [Axis] Fair Value, Option, Eligible Item or Group [Domain] Fair Value, Option, Eligible Item or Group [Domain] Corporate bonds and commercial paper [Member] Corporate Bonds And Commerical Paper [Member] Corporate bonds and commerical paper. Money Market Mutual Funds and Repurchase Agreements [Member] Money Market Mutual Funds and Repurchase Agreements [Member] Money market mutual funds and repurchase agreements. Foreign government securities [Member] Foreign Government Debt Securities [Member] Marketable equity securities [Member] Equity Securities [Member] Municipal securities [Member] Municipal Notes [Member] Time deposits [Member] Bank Time Deposits [Member] U.S. agency securities [Member] US Government Agencies Debt Securities [Member] U.S. Treasury securities [Member] US Treasury Securities [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Debt Instrument, Fair Value Disclosure Debt Instrument, Fair Value Disclosure Fair Value, Assets, Level 1 to Level 2 Transfers, Amount Fair Value, Assets, Level 1 to Level 2 Transfers, Amount Fair Value, Assets, Level 2 to Level 1 Transfers, Amount Fair Value, Assets, Level 2 to Level 1 Transfers, Amount Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount Assets: Assets, Fair Value Disclosure [Abstract] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Short-term investments Available-for-sale Securities, Fair Value Disclosure Foreign currency derivatives Foreign Currency Contract, Asset, Fair Value Disclosure Deferred compensation plan assets Other Assets, Fair Value Disclosure Total assets Assets, Fair Value Disclosure Liabilities: Liabilities, Fair Value Disclosure [Abstract] Foreign currency derivatives Foreign Currency Contracts, Liability, Fair Value Disclosure Total liabilities Liabilities, Fair Value Disclosure Long-term Investments [Abstract] Long-term Investments [Abstract] Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Abstract] Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Abstract] Cost Method Investments Cost Method Investments Other than Temporary Impairment Losses, Investments [Abstract] Other than Temporary Impairment Losses, Investments [Abstract] Direct cost method investments other-than-temporarily impaired Other than Temporary Impairment Losses, Investments Purchased technology [Member] Purchased Technology [Member] Purchased Technology. Other intangible assets [Member] Total other intangible assets [Member] Total other intangible assets. Customer contracts and relationships [Member] Customer Contracts [Member] Trademarks [Member] Trademarks [Member] Acquired rights to use technology [Member] Developed Technology Rights [Member] Localization [Member] Localization [Member] Localization. Other intangibles [Member] Other Intangible Assets [Member] Cost Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Finite-Lived Intangible Assets, Net Assumptions Used to Value Option Grants Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Assumptions Used to Value Employee Stock Purchase Rights Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Stock Option Activity Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Stock Options Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block] Restricted Stock Unit Activity Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Restricted Stock Units Outstanding Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Restricted Stock Units, Vested and Expected to Vest [Table Text Block] Performance Share Activity 2012 Program Schedule of Nonvested Performance-based Units Activity [Table Text Block] Performance Share Activity Prior Years Programs Performance Share Activity Prior Years Programs [Text Block] Performance Share Activity Prior Years Programs. Performance Shares Outstanding Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Performance-Based Units, Vested and Expected to Vest [Table Text Block] Total Stock-Based Compensation Costs Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Earnings Per Share [Abstract] Net Income Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Shares used to compute basic net income per share Weighted Average Number of Shares Outstanding, Basic Dilutive potential common shares: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Unvested restricted stock and performance share awards Unvested restricted stock and performance share awards Unvested restricted stock and performance share awards. Stock options Incremental Common Shares Attributable to Share-based Payment Arrangements Shares used to compute diluted net income per share Weighted Average Number of Shares Outstanding, Diluted Basic net income per share Earnings Per Share, Basic Diluted net income per share Earnings Per Share, Diluted Net Income Per Share (Numeric) [Abstract] Earnings Per Share, Diluted, Other Disclosures [Abstract] Common stock with exercise prices greater than average fair market value Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Average fair market value Average Fair Market Value Average fair market value. Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Fiscal 2011 Restructuring Plan [Member] Restructuring Plan 2011 [Member] Restructuring Plan 2011 [Member] Other Immaterial Restructuring Plans [Member] Other Immaterial Restructuring Plans [Member] Other Immaterial Restructuring Plans Fiscal 2009 Restructuring Plan [Member] Restructuring Plan 2009 [Member] Restructuring Plan 2009 Member. Omniture [Member] Acquired Company [Member] Acquired Company Member - Omniture [Member]. Omniture Restructuring Plan [Member] Omniture Restructuring Plan [Member] Omniture Restructuring Plan [Member] Fiscal 2008 Restructuring Plan [Member] Restructuring Plan 2008 [Member] Restructuring Plan 2008 [Member] Other Restructuring Plans [Member] Other Restructuring Plans [Member] Other Restructuring Plans [Member] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring Type of Restructuring [Domain] Cost of closing redundant facilities [Member] Facility Closing [Member] Termination benefits [Member] Employee Severance [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Summary of Restructuring Plans [Roll Forward] Restructuring Reserve [Roll Forward] Beginning accrued restructuring charges Restructuring Reserve Costs incurred Restructuring and Related Cost, Incurred Cost Cash Payments Restructuring Reserve, Settled with Cash Other adjustments Restructuring Reserve, Translation and Other Adjustment Ending accrued restructuring charges Restructuring Reserve, Foreign Currency Translation Adjustment Restructuring Reserve, Translation Adjustment Restructuring Reserve, Goodwill Adjustment Restructuring Reserve, Goodwill Adjustment Restructuring Charges (Numeric) [Abstract] Restructuring Charges [Abstract] Acquisition date Business Acquisition, Effective Date of Acquisition Square footage of facility vacated under restructuring plan Square Footage of Facility Vacated Under Restructuring Plan Square Footage of Facility Vacated Under Restructuring Plan Credit adjusted risk free interest rate Credit Adjusted Risk Free Interest Rate Credit-adjusted risk-free interest rate. Fair value of future estimated sublease income Fair value of future estimated sublease income -- None. No documentation exists for this element. -- Termination costs adjustments Restructuring Reserve, Accrual Adjustment Total restructuring costs incurred to date Restructuring and Related Cost, Cost Incurred to Date Total restructuring costs expected to be incurred for closing redundant facilities Restructuring and Related Cost, Expected Cost Accrued restructuring, current Restructuring Reserve, Current Accrued restructuring, non-current Restructuring Reserve, Noncurrent Restricted Stock Unit [Member] Restricted Stock [Member] Employee Stock Purchase Plan [Member] Employee Stock [Member] Performance Share Program [Member] Performance Share Program [Member] Performance Share Program. Share-based Compensation Arrangements by Share-based Payment Award, Program Name [Axis] Share Based Compensation Arrangements By Share Based Payment Award Program Name [Axis] Share-based Compensation Arrangements by Share-based Payment Award, Program Name [Axis] Share-based Compensation Arrangements by Share-based Payment Award, Program Name Share Based Compensation Arrangements By Share Based Payment Award Program Name [Domain] Share-based Compensation Arrangements by Share-based Payment Award, Program Name [Domain] Current Program [Member] Current Program [Member] Current Program [Member] Prior Year [Member] Prior Year [Member] Prior Year. Program 2011 [Member] Program 2011 [Member] Program 2011 [Member] Program 2010 [Member] Program 2010 [Member] Program 2010 [Member] Program 2009 [Member] Program 2009 [Member] Program 2009 [Member] Share Price Share Price Stock Based Compensation (Numeric) [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract] Shares Purchased, ESPP Stock Issued During Period, Shares, Employee Stock Purchase Plans Average purchase price of shares, ESPP Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased Shares Purchased Intrinsic Value, ESPP Total Intrinsic Value Of Shares Purchased TotalIntrinsicValueOfSharesPurchased. Maximum percentage of target shares able to receive Maximum Target Percentage Allowed Under Program Maximum Target Percentage Allowed Under Program. Actual percentage achieved Actual Percentage Achieved Actual percentage achieved. Number of shares achieved Actual Shares Achieved Actual shares achieved. Unrecognized compensation cost, adjusted for estimated forfeitures, related to non-vested stock based awards Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Non-Operating Income (Expense) Schedule of Other Nonoperating Income (Expense) [Table Text Block] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] U.S. Treasury and agency securities [Member] US Treasury Bond Securities [Member] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Fair Value and Gross Unrealized Losses Related to Available-For-Sale Securities [Abstract] Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract] Available-for-sale securities in a continuous unrealized loss position for less than twelve months, fair value Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Available-for-sale securities in a continuous unrealized loss position for less than twelve months, gross unrealized losses Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses Available-for-sale securities in a continuous unrealized loss position for more than twelve months, fair value Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value Available-for-sale securities in a continuous unrealized loss position for more than twelve months, gross unrealized losses Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses Available-for-sale Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract] Available-for-sale Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract] Number of securities in a continuous unrealized loss position for more than twelve months Securities in a continuous unrealized loss position for more than twelve months Securities in a continuous unrealized loss position for more than twelve months. Number of securities in a continuous unrealized loss position for less than twelve months Available-for-sale, Securities in Unrealized Loss Positions for Less than Twelve Months, Qualitative Disclosure, Number of Positions Available-for-sale securities in a continuous unrealized loss position for less than twelve months. Stock options outstanding [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Number of shares outstanding Number of shares vested and expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Number of shares exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Options outstanding weighted average exercise price (per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Options vested and expected to vest weighted average exercise price (per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Options exercisable weighted average exercise price (per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Options outstanding weighted average remaining contractual life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Options vested and expected to vest weighted average remaining contractual life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Options exercisable weighted average remaining contractual life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Options outstanding aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Options vested and expected to vest aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Options exercisable aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Fair Value of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Effect of Derivative Instruments as Designated Cash Flow Hedges and Not Designated as Hedges Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block] Financial assets and liabilities at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Statement of Financial Position [Abstract] Assets: Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Short-term investments Short-term Investments Trade receivables, net of allowances for doubtful accounts of $14,516 and 15,080 respectively Accounts Receivable, Net, Current Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Purchased and other intangibles, net Investment in lease receivable Other assets Other Assets, Noncurrent Total assets Assets Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Trade payables Accounts Payable, Current Accrued expenses Capital lease obligations Capital Lease Obligations, Current Accrued restructuring Income taxes payable Accrued Income Taxes, Current Deferred revenue Deferred Revenue, Current Total current liabilities Liabilities, Current Long-term liabilities: Liabilities, Noncurrent [Abstract] Debt and capital lease obligations Long-term Debt and Capital Lease Obligations Deferred revenue Deferred Revenue, Noncurrent Accrued restructuring Income taxes payable Accrued Income Taxes, Noncurrent Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Other liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $0.0001 par value; 2,000 shares authorized, none issued Preferred Stock, Value, Issued Common stock, $0.0001 par value; 900,000 shares authorized; 600,834 shares issued; 494,732 and 491,540 shares outstanding, respectively Common Stock, Value, Issued Additional paid-in-capital Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury stock, at cost (106,102 and 109,294 shares, respectively), net of reissuances Treasury Stock, Value Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Document and Entity Information [Abstract] Document And Entity Information. Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Exercise Price Range [Axis] Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Valuation Assumptions Expected Life (In Years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Expected life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Valuation Assumptions Volatility Valuation Assumptions Volatility Range [Abstract] Valuation Assumptions Volatility Range. From Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum To Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Valuation Assumptions Risk Free Interest Rate Range Valuation Assumptions Risk Free Interest Rate Range [Abstract] Valuation Assumptions Risk Free Interest Rate Range. From Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum To Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Retained Earnings Retained Earnings Text Block Retained earnings. Comprehensive Income, Net of Taxes Schedule of Comprehensive Income (Loss) [Table Text Block] Accumulated Other Comprehensive Income, Net of Taxes Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Cash Cash Equivalents and Short term Investments text block Schedule of Cash, Cash Equivalents and Short-term Investments [Table Text Block] Fair Value and Gross Unrealized Losses Related to Available-For-Sale Securities Schedule of Unrealized Loss on Investments [Table Text Block] Cost and Estimated Fair Value of Debt Securities Investments Classified by Contractual Maturity Date [Table Text Block] NET INCOME PER SHARE Earnings Per Share [Text Block] Accumulated Other Comprehensive Income, Net of Taxes [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Net unrealized gains on available-for-sale securities: Available-for-sale Securities, Gross Unrealized Gain (Loss) [Abstract] Unrealized gains on available-for-sale securities Unrealized Gains on Available for Sale Securities This item represents the gross unrealized gains for securities which are categorized neither as held-to-maturity nor trading securities. Such gross unrealized gains are the excess of the fair value of the Available-for-sale Securities over their carrying value as of the reporting date. Such gross unrealized gains are included in other comprehensive income in the statement of shareholders' equity, unless the Available-for-sale Security is designated as a hedge. Unrealized losses on available-for-sale securities Unrealized Losses on Available for Sale Securities This item represents the gross unrealized losses for securities which are categorized neither as held-to-maturity nor trading securities. Such gross unrealized losses are the excess of the carrying value of the Available-for-sale Securities over their fair value as of the reporting date. Such gross unrealized losses are included in other comprehensive income in the statement of shareholders' equity, unless the Available-for-sale Security is designated as a hedge or is determined to have had an other than temporary decline in fair value below its amortized cost basis. Total net unrealized gains on available-for-sale securities Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Net unrealized gains on derivative instruments designated as hedging instruments Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Cumulative foreign currency translation adjustments Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Total accumulated other comprehensive income, net of taxes Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Cost of Subscription Revenue [Member] Cost of Subscription Revenue [Member] Cost of Service and Support Revenue [Member] Cost of Service and Support Revenue [Member] Research and Development [Member] Other Research and Development Expense [Member] Sales and Marketing [Member] Selling and Marketing Expense [Member] General and Administrative [Member] General and Administrative Expense [Member] Option Grants and Stock Purchase Rights [Member] Option Grants and Stock Purchase Rights [Member] Option Grants And Stock Purchase Rights. Restricted Stock and Performance Share Awards [Member] Restricted Stock and Performance Share Awards [Member] Restricted Stock And Performance Share Awards. Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Total stock-based compensation costs [Abstract] Share-based Compensation, Allocation and Classification in Financial Statements [Abstract] Stock-based compensation costs Allocated Share-based Compensation Expense Restricted Stock Unit [Member] Restricted Stock Units (RSUs) [Member] Performance Shares [Member] Performance Shares [Member] Share-based Compensation Arrangement by Share-based Payment Award, Eligibility Status [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Eligibility Status [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Eligibility Status [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Eligibility Status [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Eligibility Status [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Eligibility Status [Domain] Shares Granted [Member] Shares Granted [Member] Shares Granted Maximum Shares Eligible to Receive [Member] Maximum Shares Eligible to Receive [Member] Maximum Shares Eligible to Receive. Restricted Stock and Performance Shares Activity Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Beginning outstanding balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Awarded, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Achieved, Shares Achieved The number of shares under a share-based award plan other than a stock option plan that were achieved during the reporting period due to the certification of the actual performance achievement of participants in the program. Released, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited, Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Increase due to acquisition, Shares Ending outstanding balance CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS Cash, Cash Equivalents, and Short-term Investments [Text Block] Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Repurchase of Equity [Member] Repurchase of Equity [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Structured Repurchase Prepayments Subsequent to Quarter End Structured Repurchase Prepayments Structured Repurchase Prepayments. Stock Repurchase Program, Remaining Authorized Repurchase Amount Subsequent to Quarter End Stock Repurchase Program, Remaining Authorized Repurchase Amount Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Digital Media [Member] Digital Media [Member] Digital Media [Member] Digital Marketing [Member] Digital Marketing [Member] Digital Marketing [Member] Print And Publishing [Member] Print And Publishing [Member] Print and Publishing. Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Segment Reporting [Abstract] Segment Reporting Information, Additional Information [Abstract] Revenue Revenues Cost of revenue Cost of Revenue Gross profit Gross Profit Gross profit as a percentage of revenue Gross profit as a percentage of revenue Gross profit as a percentage of revenue. Interest and other income (expense), net: Investment Income, Net [Abstract] Interest income Investment Income, Interest Foreign exchange gains (losses) Foreign Currency Transaction Gain (Loss), before Tax Realized gains on fixed income investment Available-for-sale Securities, Gross Realized Gains Realized losses on fixed income investment Available-for-sale Securities, Gross Realized Losses Other Other Nonoperating Income (Expense) Interest and other income (expense), net Other Nonoperating Income Interest expense Interest Expense Investment gains (losses), net: Gain (Loss) on Investments [Abstract] Realized investment gains Realized investment gains Realized investment gains. Unrealized investment gains Unrealized investment gains Unrealized investment gains. Realized investment losses Realized investment losses Realized investment losses. Unrealized investment losses Unrealized investment losses Unrealized investment losses. Investment gains (losses), net Gain (Loss) on Investments Total non-operating income (expense), net Nonoperating Income (Expense) SUBSEQUENT EVENTS Subsequent Events [Text Block] Allowances for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Treasury stock, shares Treasury Stock, Shares ACCRUED EXPENSES Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accounting Policies [Abstract] Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation and Significant Accounting Policies [Text Block] Amortization Expense in Future Periods [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Remainder of 2012 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2013 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2014 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Total expected amortization expense Total amortization expense expected to be recognized Total amortization expense expected to be recognized STOCKHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] Segment Reporting Schedule of Segment Reporting Information, by Segment [Table Text Block] ACQUISITIONS Business Combination Disclosure [Text Block] Income Statement [Abstract] Revenue: Revenues [Abstract] Products Sales Revenue, Goods, Net Subscription Subscription and Circulation Revenue Services and support Sales Revenue, Services, Net Total revenue Cost of revenue: Cost of Revenue [Abstract] Products Cost of Goods Sold Subscription Cost of Goods Sold, Subscription Services and support Cost of Services Total cost of revenue Operating expenses: Operating Expenses [Abstract] Research and development Research and Development Expense, Software (Excluding Acquired in Process Cost) Sales and marketing Selling and Marketing Expense General and administrative General and Administrative Expense Restructuring charges Restructuring Charges Amortization of purchased intangibles Operating Expenses, Amortization of purchased intangibles Amortization of purchased intangibles recorded to Operating Expenses Total operating expenses Operating Expenses Operating income Operating Income (Loss) Non-operating income (expense): Nonoperating Income (Expense) [Abstract] Interest and other income (expense), net Investment gains (losses), net Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for income taxes Income Tax Expense (Benefit) Net income Basic net income per share Shares used to compute basic net income per share Diluted net income per share Shares used to compute diluted net income per share Performance shares & restricted stock units outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Number of shares outstanding Outstanding weighted average remaining contractual life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Outstanding aggregate intrinsic value Outstanding Intrinsic Value Outstanding Intrinsic Value. Number of shares vested and expected to vest Vested And Expected To Vest Shares Vested And Expected To Vest Shares. Vested and expected to vest weighted average remaining contractual life (in years) Vested And Expected To Vest Weighted Average Remaining Contractual Life Vested And Expected To Vest Weighted Average Remaining Contractual Life. Vested and expected to vest aggregate intrinsic value Vested And Expected To Vest Intrinsic Value Vested and expected to vest intrinsic value. COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] SEGMENTS Segment Reporting Disclosure [Text Block] Restricted Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Cash and cash equivalents [Member] Cash and Cash Equivalents [Member] Cash [Member] Cash [Member] Cash equivalents [Member] Cash Equivalents [Member] Short-term investments [Member] Short-term Investments [Member] Short-term fixed income securities [Member] Fixed Income Investments [Member] Securities (Assets) [Member] Securities (Assets) [Member] Debt Securities [Member] Debt Securities [Member] Money market mutual funds and repurchase agreements [Member] Amortized Cost Available-for-sale Securities, Amortized Cost Basis Unrealized Gains Available-for-sale Securities, Gross Unrealized Gains Unrealized Losses Available-for-sale Securities, Gross Unrealized Losses Estimated Fair Value, cash and cash equivalents Estimated Fair Value, short-term investments Estimated Fair Value, Total cash, cash equivalents and short-term investments Cash, Cash Equivalents and Short Term Investments, Fair Value Disclosure Cash, Cash Equivalents and Short-term Investments, Fair Value Disclosure Accrued Expenses Schedule of Accrued Liabilities [Table Text Block] Purchased and other intangible assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Amortization expense in future periods Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Derivatives designated as hedging instruments [Member] Designated as Hedging Instrument [Member] Derivatives not designated as hedging instruments [Member] Not Designated as Hedging Instrument [Member] Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Derivative Contract Type [Domain] Foreign Exchange Option Contracts [Member] Foreign Exchange Option [Member] Foreign Exchange Forward Contracts [Member] Foreign Exchange Forward [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivative, Fair Value, Net [Abstract] Derivative, Fair Value, Net [Abstract] Fair value asset derivatives Derivative Asset, Fair Value, Gross Asset Fair value liability derivatives Derivative Liability, Fair Value, Gross Liability GOODWILL AND PURCHASED AND OTHER INTANGIBLES Goodwill and Intangible Assets Disclosure [Text Block] Stock Repurchase Programs (Numeric) [Abstract] Stockholders' Equity Note [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Structured Stock Repurchase Prepayments Structured Stock Repurchase Prepayments Structured Stock Repurchase Prepayments Repurchased Shares Treasury Stock, Shares, Acquired Repurchased Shares, Average Price Treasury Stock Acquired, Average Cost Per Share Up-Front Payments Remaining Up Front Payments Treasury Stock Up-front payments treasury stock. Debt Disclosure [Abstract] Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Notes 2015 and 2020 [Member] Notes 2015 and 2020 [Member] Notes 2015 [Member] Notes 2015 [Member] 2015 Notes. Notes 2020 [Member] Notes 2020 [Member] 2020 Notes. Line of Credit [Member] Line of Credit [Member] From [Member] To [Member] Interest Rate Scenario [Axis] Interest Rate Scenario [Axis] Interest Rate Scenario [Axis] Interest Rate Scenario [Domain] Interest rate scenario [Domain] interest rate scenario [Domain] [Domain] Scenario(i) [Member] Scenario(i) [Member] Scenario(i) [Member] Scenario(ii) [Member] Scenario(ii) [Member] Scenario(ii) [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Senior notes, issued Senior Notes Senior notes, interest rate Debt Instrument, Interest Rate, Stated Percentage Proceeds from isssuance of senior notes Proceeds from Issuance of Long-term Debt Issuance discount Debt Instrument, Unamortized Discount Issuance cost Unamortized Debt Issuance Expense Effective Interest rate Debt Instrument, Interest Rate, Effective Percentage Interest Paid Interest Paid First semi-annual interest payment on senior notes Debt Instrument, Periodic Payment, Interest Fair value of the Notes Repurchase notes at price of their principal amount, plus accrued and unpaid interest Repurchase notes at price of their principal amount plus accrued and unpaid interest Repurchase notes at price of their principal amount, plus accrued and unpaid interest. Line of Credit Facility [Abstract] Line of Credit Facility [Abstract] Total senior unsecured revolving credit facility Line of Credit Facility, Current Borrowing Capacity Option to request additional commitments on credit facility Option To Request Additional Commitments On Credit Facility Option to request additional commitments on credit facility. Maximum aggregate, credit facility Line of Credit Facility, Maximum Borrowing Capacity Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Amount available for borrowing Line of Credit Facility, Remaining Borrowing Capacity Margin Added to LIBOR in Determining Interest Rate Margin Added to LIBOR to Determine Interest Rate Margin Added to LIBOR to Determine Interest Rate Percentage Added to Federal Funds Effective Rate in Determining Interest Rate Percentage Added to Effective Funds Rate in Determining Interest Rate Percentage Added to Federal Funds Effective Rate in Determining Interest Rate Percentage Added to LIBOR in Determining Interest Rate Percentage Added to LIBOR in Determining Interest Rate Percentage Added to LIBOR in Determining Interest Rate Line of Credit Facility, Commitment Fee Percentage Line of Credit Facility, Commitment Fee Percentage Line of Credit Facility, Amount Outstanding Line of Credit Facility, Amount Outstanding Capital Lease Obligations [Abstract] Capital Lease Obligations [Abstract] Sale Leaseback Agreement, Leaseback Period Capital lease obligations Captial lease obligations, current Changes in retained earnings [Abstract] Retained Earnings (Accumulated Deficit) [Abstract] Begining Balance Re-issuance of treasury stock Stock Issued During Period, Value, Treasury Stock Reissued Ending Balance Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation, amortization and accretion Depreciation, Depletion and Amortization Stock-based compensation Share-based Compensation Deferred income taxes Deferred Income Taxes and Tax Credits Unrealized gains on investments Unrealized Gain (Loss) on Investments Tax benefit from employee stock option plans Tax Benefit from Stock Options Exercised Other non-cash items Other Noncash Income (Expense) Excess tax benefits from stock-based compensation Excess Tax Benefit (Tax Deficiency) from Share-based Compensation, Operating Activities Changes in operating assets and liabilities, net of acquired assets and assumed liabilities: Increase (Decrease) in Operating Capital [Abstract] Trade receivables, net Increase (Decrease) in Receivables Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Trade payables Increase (Decrease) in Accounts Payable Accrued expenses Increase (Decrease) in Accrued Liabilities Accrued restructuring Increase (Decrease) in Restructuring Reserve Income taxes payable Increase (Decrease) in Income Taxes Payable Deferred revenue Increase (Decrease) in Deferred Revenue Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of short-term investments Payments to Acquire Short-term Investments Maturities of short-term investments Proceeds from Maturities, Prepayments and Calls of Short-term Investments Proceeds from sales of short-term investments Proceeds from Sale of Short-term Investments Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Purchases of long-term investments and other assets Payments to Acquire Long-term Investments Proceeds from sale of long-term investments Proceeds from Sale of Available-for-sale Securities, Equity Other Payments for (Proceeds from) Other Investing Activities Net cash used for investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Purchases of treasury stock Payments for Repurchase of Common Stock Proceeds from issuance of treasury stock Proceeds from Sale of Treasury Stock Excess tax benefits from stock-based compensation Excess Tax Benefit (Tax Deficiency) from Share-based Compensation, Financing Activities Proceeds from debt Proceeds from Issuance of Senior Long-term Debt Repayment of debt and capital lease obligations Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities Proceeds from Long-term Debt and Long-term Capital Lease obligations Proceeds from Long-term Debt and Long-term Capital Lease obligations Proceeds from long-term Debt and Long-term Capital Lease obligations Debt issuance costs Payments of Debt Issuance Costs Net cash used for financing activities Net Cash Provided by (Used in) Financing Activities Effect of foreign currency exchange rates on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net (decrease) increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental disclosures: Supplemental Cash Flow Information [Abstract] Cash paid for income taxes, net of refunds Income Taxes Paid, Net Cash paid for interest Interest Paid, Net Non-cash investing activities: Noncash Investing and Financing Items [Abstract] Issuance of common stock and stock awards assumed in business acquisitions Equity Awards Assumed For Acquisition Equity awards assumed for acquisition. Property and equipment acquired under capital leases Capital Lease Obligations Incurred DEBT Debt Disclosure [Text Block] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Derivatives in cash flow hedging relationships [Abstract] Cash Flow Hedges Derivative Instruments at Fair Value, Net [Abstract] Net gain (loss) recognized in OCI, net of tax Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Net gain (loss) reclassified from accumulated OCI into income, net of tax Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Net gain (loss) recognized in income Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net Derivatives not designated as hedging relationships [Abstract] Other Derivatives Not Designated as Hedging Instruments at Fair Value, Net, Total [Abstract] Net gain (loss) recognized in income Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net